1. mumble - Noun
2. mumble - Verb
To speak with the lips partly closed, so as to render the sounds inarticulate and imperfect; to utter words in a grumbling indistinct manner, indicating discontent or displeasure; to mutter.
To utter with a low, inarticulate voice.
To chew or bite gently, as one without teeth.
To suppress, or utter imperfectly.
Source: Webster's dictionaryThe Public is an old woman. Let her maunder and mumble. Thomas Carlyle
Then I became an altar boy because of the solemn face, but I got thrown out at fourteen for laughing, because the priest used to mumble everything except the church plate takings. Elvis Costello
I have to mime at parties when everyone sings Happy Birthday... mime or mumble and rumble and growl and grunt so deep that only moles, manta rays and mushrooms can hear me. Stephen Fry
Since becoming a central banker, I have learned to mumble with great incoherence. If I seem unduly clear to you, you must have misunderstood what I said. Alan Greenspan
I'm sorry, am I mumbling? Tell me when I'm mumbling. Damn ... I always mumble. Jimi Hendrix
When in charge, ponder. When in trouble, delegate. When in doubt, mumble. American Proverb